80879200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:369

約数の個数: 144

約数和(自身を含む): 220767120

約数和(自身を除く): 139887920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 160, 170, 190, 200, 272, 304, 313, 323, 340, 380, 400, 425, 475, 544, 608, 626, 646, 680, 760, 800, 850, 950, 1252, 1292, 1360, 1520, 1565, 1615, 1700, 1900, 2504, 2584, 2720, 3040, 3130, 3230, 3400, 3800, 5008, 5168, 5321, 5947, 6260, 6460, 6800, 7600, 7825, 8075, 10016, 10336, 10642, 11894, 12520, 12920, 13600, 15200, 15650, 16150, 21284, 23788, 25040, 25840, 26605, 29735, 31300, 32300, 42568, 47576, 50080, 51680, 53210, 59470, 62600, 64600, 85136, 95152, 101099, 106420, 118940, 125200, 129200, 133025, 148675, 170272, 190304, 202198, 212840, 237880, 250400, 258400, 266050, 297350, 404396, 425680, 475760, 505495, 532100, 594700, 808792, 851360, 951520, 1010990, 1064200, 1189400, 1617584, 2021980, 2128400, 2378800, 2527475, 3235168, 4043960, 4256800, 4757600, 5054950, 8087920, 10109900, 16175840, 20219800, 40439600, 80879200]

約数ペア:

[(1, 80879200), (2, 40439600), (4, 20219800), (5, 16175840), (8, 10109900), (10, 8087920), (16, 5054950), (17, 4757600), (19, 4256800), (20, 4043960), (25, 3235168), (32, 2527475), (34, 2378800), (38, 2128400), (40, 2021980), (50, 1617584), (68, 1189400), (76, 1064200), (80, 1010990), (85, 951520), (95, 851360), (100, 808792), (136, 594700), (152, 532100), (160, 505495), (170, 475760), (190, 425680), (200, 404396), (272, 297350), (304, 266050), (313, 258400), (323, 250400), (340, 237880), (380, 212840), (400, 202198), (425, 190304), (475, 170272), (544, 148675), (608, 133025), (626, 129200), (646, 125200), (680, 118940), (760, 106420), (800, 101099), (850, 95152), (950, 85136), (1252, 64600), (1292, 62600), (1360, 59470), (1520, 53210), (1565, 51680), (1615, 50080), (1700, 47576), (1900, 42568), (2504, 32300), (2584, 31300), (2720, 29735), (3040, 26605), (3130, 25840), (3230, 25040), (3400, 23788), (3800, 21284), (5008, 16150), (5168, 15650), (5321, 15200), (5947, 13600), (6260, 12920), (6460, 12520), (6800, 11894), (7600, 10642), (7825, 10336), (8075, 10016)]